LM317AT
Category: PMIC - Voltage Regulators - Linear
Description: 3-Terminal Adjustable Regulator
Price range ($)
0.19558 1.48354
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LM317AT
LM317AT has several brands around the world that may have alternate names for LM317AT due to regional differences or acquisition. LM317AT may also be known as the following names:
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Description
LM317AT
Stock:500 |
Ns/st 18+ |
3-Terminal Adjustable Regulator |
≥1: US $1.48354 US $1.33519 ≥5: US $0.98903 US $0.89013 ≥10: US $0.89013 US $0.80112 ≥20: US $0.86540 US $0.77886 ≥50: US $0.84068 US $0.75661 ≥100: US $0.81595 US $0.73436 ≥200: US $0.79122 US $0.71210 ≥500: US $0.78133 US $0.70320 ≥1000: US $0.76650 US $0.68985
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Inquiry
|
LM317AT
Stock:413 |
National Semiconductor 9530+ |
3-Terminal Adjustable Regulator |
≥1: US $0.19558 US $0.17602
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Inquiry
|
LM317AT
Stock:25800 |
National Semiconductor 22+ |
3-Terminal Adjustable Regulator |
≥1: US $0.29337 US $0.26403 ≥10: US $0.23470 US $0.21123 ≥50: US $0.21514 US $0.19362 ≥100: US $0.19558 US $0.17602
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Inquiry
|
LM317AT
Stock:588 |
National Semiconductor 10+ |
3-Terminal Adjustable Regulator |
≥1: US $0.68453 US $0.61608
More:
Inquiry
|
LM317AT
Stock:10 |
National Semiconductor 092+ |
3-Terminal Adjustable Regulator |
≥1: US $0.44704 US $0.42022
More:
Inquiry
|
LM317AT
Stock:9 |
National Semiconductor 15+ |
3-Terminal Adjustable Regulator |
≥1: US $0.81725 US $0.76821
More:
Inquiry
|
General Description
The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 1.5A over a 1.2V to 37V output range.They are exceptionally easy to use and require only two external resistors to set the output voltage. Further, both line and load regulation are better than standard fixed regulators. Also,the LM117 is packaged in standard transistor packages which are easily mounted and handled.
In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in IC's.Included on the chip are current limit, thermal overload protection and safe area protection. All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.
Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter capacitors in which case an input bypass is needed.An optional output capacitor can be added to improve transient response. The adjustment terminal can be bypassed to achieve very high ripple rejection ratios which are difficult to achieve with standard 3-terminal regulators.
Besides replacing fixed regulators, the LM117 is useful in a wide variety of other applications. Since the regulator is "floating" and sees only the input-to-output differential voltage, supplies of several hundred volts can be regulated as long as the maximum input to output differential is not exceeded, i.e., avoid short-circuiting the output.
Also, it makes an especially simple adjustable switching regulator, a programmable output regulator, or by connecting a fixed resistor between the adjustment pin and output,the LM117 can be used as a precision current regulator. Supplies with electronic shutdown can be achieved by clamping the adjustment terminal to ground which programs the output to 1.2V where most loads draw little current. For applications requiring greater output current, see LM150series (3A) and LM138 series (5A) data sheets. For thenegative complement, see LM137 series data sheet.
Features
● Guaranteed 1% output voltage tolerance (LM317A)
● Guaranteed max.0.01%/V line regulation (LM317A)
● Guaranteed max.0.3% load regulation (LM117)
● Guaranteed 1.5A output current
● Adjustable output down to 1.2V
● Current limit constant with temperature
● P+ Product Enhancement tested
● 80 dB ripple rejection
● Output is short-circuit protected
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Freight calculation
Express:(FEDEX, UPS, DHL, TNT)Free shipping on first 0.5kg for orders over 200$,Overweight will be charged separately
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